Open source. Open possibilities.

Braid is SEEK Group's themeable design system, distributed as a React component library. It provides themes, BraidProvider, and components styled with Vanilla Extract, with setup guidance for sku-based projects.

Twin.macro is a Babel macro that brings Tailwind CSS utility classes to CSS-in-JS workflows, converting tw, css, styled, and theme usages into CSS objects at build time. It supports emotion, styled-components, solid-styled-components, stitches, and goober, with setup examples for Vite, Next.js, Gatsby, Storybook, and more.

Babel is a community-driven JavaScript compiler that transforms modern JavaScript syntax into versions compatible with older environments, letting developers use the latest language features.

Trace (also known as T次方) is an open-source Chrome extension for website behavior tracing and deep frontend debugging. Key features include Cookie tracking, event interception, object hooking via Proxy, script injection, request blocking, variable tracking, JS deobfuscation using AST, and response stream modification through Babel plugins.